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Finding the Third Proportional to 13,451,021.75 and 18,874,446.75

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Solution

The third proportional to 13,451,021.75 and 18,874,446.75 is: 26,484,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,021.75 : 18,874,446.75 = 18,874,446.75 : x
  2. Step 2: Convert to fraction form
    13,451,021.75/18,874,446.75 = 18,874,446.75/x
  3. Step 3: Cross multiply
    13,451,021.75x = 18,874,446.75 × 18,874,446.75
  4. Step 4: Simplify right side
    13,451,021.75x = 356,244,740,118,585.56
  5. Step 5: Solve for x
    x = 356,244,740,118,585.56/13,451,021.75
  6. Step 6: Final answer
    x = 26,484,585.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.